public async Task <ContentItem> Get(int contentItemId, VersionOptions options)
{
ContentItem contentItem;
// obtain the root records based on version options
if (options.VersionRecordId != 0)
{
if (_contentManagerSession.RecallVersionId(options.VersionRecordId, out contentItem))
{
return(contentItem);
}
contentItem = await _session.GetAsync <ContentItem>(options.VersionRecordId);
}
else if (options.VersionNumber != 0)
{
if (_contentManagerSession.RecallContentItemId(contentItemId, options.VersionNumber, out contentItem))
{
return(contentItem);
}
contentItem = await _session
.QueryAsync <ContentItem, ContentItemIndex>()
.Where(x =>
x.ContentItemId == contentItemId &&
x.Number == options.VersionNumber
)
.FirstOrDefault();
}
else if (_contentManagerSession.RecallPublishedItemId(contentItemId, out contentItem))
{
if (options.IsPublished)
{
return(contentItem);
}
}
else if (options.IsLatest)
{
contentItem = await _session
.QueryAsync <ContentItem, ContentItemIndex>()
.Where(x => x.ContentItemId == contentItemId && x.Latest == true)
.FirstOrDefault();
}
else if (options.IsDraft && !options.IsDraftRequired)
{
contentItem = await _session
.QueryAsync <ContentItem, ContentItemIndex>()
.Where(x =>
x.ContentItemId == contentItemId &&
x.Published == false &&
x.Latest == true)
.FirstOrDefault();
}
else if (options.IsDraft || options.IsDraftRequired)
{
contentItem = await _session
.QueryAsync <ContentItem, ContentItemIndex>()
.Where(x =>
x.ContentItemId == contentItemId &&
x.Latest == true)
.FirstOrDefault();
}
else if (options.IsPublished)
{
contentItem = await _session
.QueryAsync <ContentItem, ContentItemIndex>()
.Where(x => x.ContentItemId == contentItemId && x.Published == true)
.FirstOrDefault();
}
if (contentItem == null)
{
if (!options.IsDraftRequired)
{
return(null);
}
}
// store in session prior to loading to avoid some problems with simple circular dependencies
_contentManagerSession.Store(contentItem);
// create a context with a new instance to load
var context = new LoadContentContext(contentItem);
// invoke handlers to acquire state, or at least establish lazy loading callbacks
Handlers.Invoke(handler => handler.Loading(context), _logger);
Handlers.Invoke(handler => handler.Loaded(context), _logger);
// when draft is required and latest is published a new version is appended
if (options.IsDraftRequired && contentItem.Published)
{
contentItem = await BuildNewVersionAsync(context.ContentItem);
}
return(contentItem);
}
public async Task <ContentItem> GetAsync(string contentItemId, VersionOptions options)
{
ContentItem contentItem = null;
// obtain the root records based on version options
if (options.VersionRecordId != 0)
{
if (_contentManagerSession.RecallVersionId(options.VersionRecordId, out contentItem))
{
return(contentItem);
}
contentItem = await _session.GetAsync <ContentItem>(options.VersionRecordId);
}
else if (options.VersionNumber != 0)
{
if (_contentManagerSession.RecallContentItemId(contentItemId, options.VersionNumber, out contentItem))
{
return(contentItem);
}
contentItem = await _session
.QueryAsync <ContentItem, ContentItemIndex>()
.Where(x =>
x.ContentItemId == contentItemId &&
x.Number == options.VersionNumber
)
.FirstOrDefault();
}
else if (options.IsLatest)
{
contentItem = await _session
.QueryAsync <ContentItem, ContentItemIndex>()
.Where(x => x.ContentItemId == contentItemId && x.Latest == true)
.FirstOrDefault();
}
else if (options.IsDraft && !options.IsDraftRequired)
{
contentItem = await _session
.QueryAsync <ContentItem, ContentItemIndex>()
.Where(x =>
x.ContentItemId == contentItemId &&
x.Published == false &&
x.Latest == true)
.FirstOrDefault();
}
else if (options.IsDraft || options.IsDraftRequired)
{
// Loaded whatever is the latest as it will be cloned
contentItem = await _session
.QueryAsync <ContentItem, ContentItemIndex>()
.Where(x =>
x.ContentItemId == contentItemId &&
x.Latest == true)
.FirstOrDefault();
}
else if (options.IsPublished)
{
// If the published version is requested and is already loaded, we can
// return it right away
if (_contentManagerSession.RecallPublishedItemId(contentItemId, out contentItem))
{
return(contentItem);
}
contentItem = await _session
.QueryAsync <ContentItem, ContentItemIndex>()
.Where(x => x.ContentItemId == contentItemId && x.Published == true)
.FirstOrDefault();
}
if (contentItem == null)
{
if (!options.IsDraftRequired)
{
return(null);
}
}
// Return item if obtained earlier in session
// If IsPublished is required then the test has already been checked before
ContentItem recalled = null;
if (!_contentManagerSession.RecallVersionId(contentItem.Id, out recalled))
{
// store in session prior to loading to avoid some problems with simple circular dependencies
_contentManagerSession.Store(contentItem);
// create a context with a new instance to load
var context = new LoadContentContext(contentItem);
// invoke handlers to acquire state, or at least establish lazy loading callbacks
Handlers.Invoke(handler => handler.Loading(context), _logger);
Handlers.Reverse().Invoke(handler => handler.Loaded(context), _logger);
contentItem = context.ContentItem;
}
else
{
contentItem = recalled;
}
if (options.IsDraftRequired)
{
// When draft is required and latest is published a new version is added
if (contentItem.Published)
{
// Save the previous version
_session.Save(contentItem);
contentItem = await BuildNewVersionAsync(contentItem);
}
// Save the new version
_session.Save(contentItem);
}
return(contentItem);
}
